Maintenance code

TM 9-2520-249-34& P

Code

Definition

Code

Application/Explanation

MO-Item to be manufactured or fabricated at organizational

O-The lowest maintenance level capable of complete repair of

level.

the support item is the organizational level.

MF--Item to be manufactured or fabricated at the direct

F-The lowest maintenance level capable of complete repair of

support maintenance level.

the support item is the direct support level.

MH-Item to be manufactured or fabricated at the general

H-The lowest maintenance level capable of complete repair of

support maintenance level.

the support item is the general support level.

N1D--Item to be manufactured or fabricated at the depot

D-The lowest maintenance level capable of complete repair of

maintenance level.

the support item is the depot level.

AO- Item to be assembled at organizational level.

L-Repair restricted to (enter applicable designated specialized

AF--Item to be assembled at direct support maintenance level.

repair activity) Specialized Repair Activity.

AH-Item to be assembled at general support maintenance

Z-Nonreparable. No repair is authorized.

level.

B-No repair is authorized. The item may be reconditioned by

AD--Item to be assembled at depot maintenance level.

adjusting, lubricating, etc., at the user level. No parts

XA-Item is not procured or stocked because the requirements

or special tools are procured for the maintenance of

for the item will result in the replacment of the next

this item.

higher assembly.

(3) Recoverability code. Recoverability

XB-Item is not procured or stocked. If not available through

codes are assigned to support items to indicate the

salvage, requisition.

disposition action on unserviceable items.

The

XC-Installation drawing, diagram instruction sheet, field

recoverability code is entered in the fifth position of the

service drawing, that is identified by manufacturer's

Uniform SMR Code format as follows:

part number.

Recoverability

XD-A support item that is not stocked. When required. item

Codes

Definition

will be procured through normal supply channels.

Z-Nonreparable item. When unserviceable, condemn and

dispose at the level indicated in position 3.

NOTE

O-Reparable item.

When uneconomically reparable,

Cannibalization or salvage may be used as

condemn and dispose at organizational level.

a source of supply for any items coded

F-Reparable item. When uneconomically reparable, condemn

above except those coded XA and aircraft

and dispose at the direct support level.

H-Reparable item.

When uneconomically reparable,

support items as restricted by AR 700-42

condemn and dispose at the general support level.

D-Reparable item. When beyond lower level repair capability,

(2) Maintenance code.

Maintenance

return to depot. Condemnation and disposal not

codes are assigned to indicate the levels of

authorized below depot level.

maintenance authorized to USE and REPAIR support

L-Reparable item. Repair, condemnation. and disposal not

items. The maintenance codes are entered in the third

authorized below depot specialized repair activity

and fourth positions of the Uniform SMR Code format as

level.

follows:

A-Item requires special handling or condemnation procedures

(a) The maintenance code entered in the

because of specific reasons (i.e, precious metal

third position will indicate the lowest maintenance level

content, high dollar value, critical material or

hazardous material). Refer to appropriate manuals,

authorized to remove, replace, and use the support

directives for special instructions.

item. The maintenance code entered in the third

c. National Stock Number.

Indicates the

position will indicate one of the following levels of

National stock number assigned to the item and which

maintenance:

will be used for requisitioning.

d. Part Number.

Indicates the primary

Code

Application/Explanation

number used by the manufacturer (individual, company,

C-Crew

or operator maintenance performed within

firm, corporation, or Government activity) which controls

organizational maintenance.

the design and characteristics of the item by means of

O-Support item is removed, replaced, used at the

organizational level.

its engineering drawings, specifications, standards, and

F-Support item is removed, replaced, used at the direct

inspection requirements to identify an item or range of

support level.

items.

H-Support item is removed, replaced, used at the general

NOTE

support level.

When a stock numbered item is requisitioned,

D-Support items that are removed, replaced, used at depot,

the item received may have a different part

mobile depot, or specialized repair activity only.

number than the part being replaced.

(b) The maintenance code entered

in the fourth position indicates whether the item is to be

repaired and identifies the lowest maintenance level

with the capability to perform complete repair (i.e., all

authorized maintenance functions). This position will

contain one of the following maintenance codes:

B-2